Collection

4000 series: continuing airworthiness engineering regulations (CAE)

Individual Regulatory Articles (RA) relating to the 4000 series.

Withdrawn Regulatory Articles (RAs)

Any RAs that have been withdrawn for more than 6 months are no longer listed alongside the current RAs. Withdrawn RAs are listed for reference only at the bottom of this page (link available in the table of contents) under the heading Withdrawn Regulatory Articles.

If no RAs have been withdrawn from this series then Withdrawn Regulatory Articles will not be available to view.

MAA regulatory publications (MRP)

The Military Aviation Authority regulatory publications (MRP) are split into 3 layers:-

Regulation contact information

Email: dsa-maa-mrpenquiries@mod.uk

Telephone: +44 (0)30679 38269

Address:

MAA regulation enquiries
Juniper 1, Abbey Wood North
Bristol
BS34 8QW

4000 series complete download

Table of contents

4009: organization, policy and airworthiness

4050 to 4063: operation of aircraft

4100 to 4104: safety, health, environment and fire

4200 to 4214: maintenance principles

4250 to 4266: maintenance practices

4500 to 4515: airframe and engines

4600 to 4607: safety role and support

4650 to 4660: weapons and explosives

4800 to 4849: MRP part 145

  1. Regulatory Article (RA) 4800: general requirements (MRP Part 145)
  2. Regulatory Article (RA) 4801: certifying staff
  3. Regulatory Article (RA) 4802: scope of the MRP part 145 (MRP 145.A.10), approved maintenance organisations only
  4. Regulatory Article (RA) 4803: method of application for approval (MRP 145.A.15), approved maintenance organisations only
  5. Regulatory Article (RA) 4804: terms of approval (MRP 145.A.20), approved maintenance organisations only
  6. Regulatory Article (RA) 4805: facility requirements (MRP 145.A.25)
  7. Regulatory Article (RA) 4806: personnel requirements (MRP 145.A.30)
  8. Regulatory Article (RA) 4807: certifying staff and support staff (MRP 145.A.35)
  9. Regulatory Article (RA) 4808: equipment, tools and material (MRP 145.A.40)
  10. Regulatory Article (RA) 4809: acceptance of components (MRP 145.A.42)
  11. Regulatory Article (RA) 4810: technical information (MRP 145.A.45)
  12. Regulatory Article (RA) 4811: maintenance planning (MRP 145.A.47)
  13. Regulatory Article (RA) 4812: certification of air system release and component release (MRP 145.A.50)
  14. Regulatory Article (RA) 4813: maintenance records (MRP 145.A.55)
  15. Regulatory Article (RA) 4814: occurrence reporting (MRP 145.A.60)
  16. Regulatory Article (RA) 4815: maintenance procedures and safety and quality policy (MRP 145.A.65)
  17. Regulatory Article (RA) 4816: maintenance organization exposition (MOE) (MRP 145.A.70), approved maintenance organisations (AMOs) only
  18. Regulatory Article (RA) 4817: privileges of the organisation (MRP 145.A.75)
  19. Regulatory Article (RA) 4818: limitations on the organization (MRP 145.A.80), approved maintenance organisations (AMOs) only
  20. Regulatory Article (RA) 4819: changes to the organization (MRP 145.A.85), approved maintenance organisations (AMOs) only
  21. Regulatory Article (RA) 4820: continued validity (MRP 145.A.90), approved maintenance organisations (AMOs) only
  22. Regulatory Article (RA) 4821: findings (MRP 145.A.95), approved maintenance organisations (AMOs) only

4900 to 4956: continuing airworthiness management organization (CAMO) regulation

  1. Regulatory Article (RA) 4941: application, MRP Part M Sub Part G
  2. Regulatory Article (RA) 4943: continuing airworthiness management exposition, MRP Part M Sub Part G
  3. Regulatory Article (RA) 4945: personnel requirements, MRP Part M Sub Part G
  4. Regulatory Article (RA) 4947: continuing airworthiness management, MRP Part M Sub Part G
  5. Regulatory Article (RA) 4948: documentation, MRP Part M Sub Part G
  6. Regulatory Article (RA) 4951: quality system, MRP Part M Sub Part G
  7. Regulatory Article (RA) 4954: continued validity of approval, MRP Part M Sub Part G
  8. Regulatory Article (RA) 4955: findings, MRP Part M Sub Part G
  9. Regulatory Article (RA) 4956: military continuing airworthiness management organization tasks performed by other organizations - MRP Part M Sub Part G

4961 to 4966: continuing airworthiness

  1. Regulatory Article (RA) 4961: aircraft maintenance programme and military continuing airworthiness management organization responsibilities for air system release - MRP Part M Sub Part C
  2. Regulatory Article (RA) 4962: special instructions (technical), MRP Part M Sub Part C
  3. Regulatory Article (RA) 4963: modifications and repairs, MRP Part M Sub Part C
  4. Regulatory Article (RA) 4964: continuing airworthiness management records, MRP Part M Sub Part C
  5. Regulatory Article (RA) 4965: local manufacture assurance - MRP Part M Sub Part C
  6. Regulatory Article (RA) 4966: military continuing airworthiness management organization instructions – MRP Part M Sub Part C

4970 to 4974: airworthiness review (AR) regulation

Withdrawn Regulatory Articles

The Rationale for withdrawal was correct at point of publish and it is incumbent on the user to check the references remain valid prior to use.

  1. Regulatory Article (RA) 4052: engineering aspects of physical security of aircraft at foreign and UK civilian airfields
  2. Regulatory Article (RA) 4055: fuelling operations for aircraft on the ground
  3. Regulatory Article (RA) 4056: anti-icing and de-icing of parked aircraft
  4. Regulatory Article (RA) 4057: flight servicing
  5. Regulatory Article (RA) 4058: flight servicing competency checks
  6. Regulatory Article (RA) 4059: continuous charge
  7. Regulatory Article (RA) 4060: chemical, biological, radiological and nuclear (CBRN) decontamination and protection
  8. Regulatory Article (RA) 4062: embarked aviation
  9. Regulatory Article (RA) 4063: replenishment of liquid and gaseous oxygen systems in exceptional circumstances
  10. Regulatory Article (RA) 4101: aircraft cabin pressure testing, safety health environmental and fire precautions
  11. Regulatory Article (RA) 4102: biological security
  12. Regulatory Article (RA) 4104: control of compressed gas and pneumatic lubricating equipment
  13. Regulatory Article (RA) 4150: training and competence
  14. Regulatory Article (RA) 4151: engineering authorisations
  15. Regulatory Article (RA) 4152: recording of engineering authorizations
  16. Regulatory Article (RA) 4153: signatures on maintenance documentation
  17. Regulatory Article (RA) 4154: aircraft ground engineers
  18. Regulatory Article (RA) 4155: self-supervision
  19. Regulatory Article (RA) 4156: elementary self-supervision
  20. Regulatory Article (RA) 4158: authorisation of aircrew to carry out aircraft maintenance work
  21. Regulatory Article (RA) 4159: operation of air transport systems by movements personnel
  22. Regulatory Article (RA) 4161: contractors’ working parties maintaining aircraft at stations, ships and units
  23. Regulatory Article (RA) 4200: maintenance philosophy, general
  24. Regulatory Article (RA) 4201: maintenance policy, composite materials
  25. Regulatory Article (RA) 4202: maintenance of aircraft in multi-service environments
  26. Regulatory Article (RA) 4203: preventive maintenance
  27. Regulatory Article (RA) 4204: lifing of aerospace components
  28. Regulatory Article (RA) 4205: corrective maintenance
  29. Regulatory Article (RA) 4206: deferment of maintenance, guidance on the use of limitations and acceptable deferred faults
  30. Regulatory Article (RA) 4208: dehumidification of aircraft
  31. Regulatory Article (RA) 4210: anti-deterioration maintenance of equipment in store
  32. Regulatory Article (RA) 4211: ground training aids
  33. Regulatory Article (RA) 4212: ground instructional aircraft and aero-engines, and the control of components used in simulators or as ground training aids
  34. Regulatory Article (RA) 4214: support policy statements
  35. Regulatory Article (RA) 4250: management of hand tools and test and measuring equipment (TME)
  36. Regulatory Article (RA) 4251: tool control procedures
  37. Regulatory Article (RA) 4254: local manufacture of parts for aircraft and airborne equipment
  38. Regulatory Article (RA) 4255: electrical bonding and earthing of aircraft and associated ground support equipment (GSE)
  39. Regulatory Article (RA) 4256: aircraft weighing
  40. Regulatory Article (RA) 4257: surface finish of military air environment equipment
  41. Regulatory Article (RA) 4260: checks on helicopter blades and tail pylons after spreading using automatic or semi-automatic systems
  42. Regulatory Article (RA) 4261: aircraft independent inspections
  43. Regulatory Article (RA) 4262: cannibalisation of parts from aircraft and uninstalled aircraft equipment
  44. Regulatory Article (RA) 4263: shift and task handover
  45. Regulatory Article (RA) 4264: welding of aircraft parts
  46. Regulatory Article (RA) 4265: laser equipment maintenance
  47. Regulatory Article (RA) 4266: re-use of self-locking fasteners
  48. Regulatory Article (RA) 4300: certification of aircraft maintenance documentation
  49. Regulatory Article (RA) 4302: MOD form 700 documentation
  50. Regulatory Article (RA) 4303: logistics information systems
  51. Regulatory Article (RA) 4304: electronic certification of aircraft maintenance
  52. Regulatory Article (RA) 4305: electronic documentation of aircraft maintenance
  53. Regulatory Article (RA) 4306: management of arisings within a ground maintenance system (GMS)
  54. Regulatory Article (RA) 4307: fault reporting
  55. Regulatory Article (RA) 4311: retention of military aviation engineering documentation
  56. Regulatory Article (RA) 4312: scanning and electronic storage of military aviation engineering documentation
  57. Regulatory Article (RA) 4350: through life management of technical information
  58. Regulatory Article (RA) 4351: production and maintenance of maintenance schedules
  59. Regulatory Article (RA) 4352: production and maintenance of flight test schedules
  60. Regulatory Article (RA) 4353: amendment to technical information
  61. Regulatory Article (RA) 4356: topic 2(N/A/R) general orders, special instructions and modifications
  62. Regulatory Article (RA) 4401: transfer of aircraft and equipment
  63. Regulatory Article (RA) 4402: technical equipment, conditioning and preparation for movement or storage
  64. Regulatory Article (RA) 4403: expedient repair
  65. Regulatory Article (RA) 4405: assessment, categorisation and repair of aircraft and aircraft structural components
  66. Regulatory Article (RA) 4406: new repair instructions and aerospace equipment design requests
  67. Regulatory Article (RA) 4457: special instructions (technical)
  68. Regulatory Article (RA) 4462: aviation local technical instructions
  69. Regulatory Article (RA) 4500: health and usage monitoring
  70. Regulatory Article (RA) 4501: vibration control
  71. Regulatory Article (RA) 4502: wear debris monitoring
  72. Regulatory Article (RA) 4503: hydraulic oil monitoring
  73. Regulatory Article (RA) 4504: non-destructive testing
  74. Regulatory Article (RA) 4507: aircraft environmental damage prevention and control
  75. Regulatory Article (RA) 4509: aircraft domestic water
  76. Regulatory Article (RA) 4514: contaminated breathing oxygen
  77. Regulatory Article (RA) 4515: fuels, lubricants and associated products
  78. Regulatory Article (RA) 4550: electrical wiring interconnect system
  79. Regulatory Article (RA) 4551: aircraft wiring husbandry
  80. Regulatory Article (RA) 4552: use of crimped splices in aircraft electrical wiring interconnect system
  81. Regulatory Article (RA) 4553: aircraft electrical wire
  82. Regulatory Article (RA) 4554: maintenance and repair of aircraft data buses
  83. Regulatory Article (RA) 4555: aircraft fibre optic systems
  84. Regulatory Article (RA) 4556: pitot static systems, maintenance responsibilities
  85. Regulatory Article (RA) 4557: electrostatic discharge sensitive devices, prevention of damage by static electricity
  86. Regulatory Article (RA) 4558: aircraft TEMPEST testing
  87. Regulatory Article (RA) 4559: aircraft COMSEC material
  88. Regulatory Article (RA) 4561: maintenance of aircraft compass accuracy
  89. Regulatory Article (RA) 4601: aircraft assisted escape systems, maintenance responsibilities
  90. Regulatory Article (RA) 4602: aircraft assisted escape systems, maintenance, vital and independent checks
  91. Regulatory Article (RA) 4603: lifing, marking and maintenance of carbon dioxide (CO2) cylinders used in life preservers
  92. Regulatory Article (RA) 4604: survival equipment maintenance
  93. Regulatory Article (RA) 4605: compressed gas cylinders having an airborne application
  94. Regulatory Article (RA) 4607: aircraft role equipment, maintenance, modification and control
  95. Regulatory Article (RA) 4652: weapon preparation and loading
  96. Regulatory Article (RA) 4653: examination of in-use pyrotechnics and dangerous goods issued for use in survival equipment and on airborne platforms
  97. Regulatory Article (RA) 4654: connecting electro-explosive devices
  98. Regulatory Article (RA) 4655: aircraft armament system maintenance
  99. Regulatory Article (RA) 4656: lifing of explosives and associated ancillaries
  100. Regulatory Article (RA) 4660: aircraft explosive armament stores, explosive components and related equipment - performance failures
  101. Regulatory Article (RA) 4700: military air environment quality policy
  102. Regulatory Article (RA) 4701: quality occurrence reporting
  103. Regulatory Article (RA) 4702: quality auditing
  104. Regulatory Article (RA) 4825: procedures for the competent authority (MRP 145.B)
  105. Regulatory Article (RA) 4953: record keeping, MRP Part M Sub Part G
Published 18 November 2014
Last updated 13 August 2015 + show all updates
  1. A new heading, Withdrawn Regulatory Articles, has been added in order to separate current RAs from withdrawn RAs.

  2. First published.